Atmospheric Pollution Class 9 ICSE. We covered all the Atmospheric Pollution Class 9 ICSE in this post for free so that you can practice well for the exam.
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MCQ on Atmospheric Pollution for Students
In which year, did the Central Ganga Authority’ establish by the Government of India?
(a) 1975
(b) 1982
(c) 1985
(d) 1995
Option c – 1985
National Ganga River Basin Authority was established on
(a) October 2008
(b) February 2009
(c) October 2009
(d) March 2010
Option b – February 2009
Which of the following has/have shrunk immensely/dried up in the recent past due to human activities? I. Aral Sea II. Black Sea III. Lake Baikal Select the correct answer using the code given below.
(a) Only I
(b) II and III
(c) Only II
(d) I and III
Option d – I and III
Which one of the following is not a cause of depletion in groundwater?
(a) Afforestation
(b) Loss of forests
(c) Excessive pumping of groundwater
(d) Construction of large-scale concrete buildings
Option a – Afforestation
Which of the following is/are the possible consequences of heavy sand mining in riverbeds? I. Decreased Salinity in the river. II. Pollution of Groundwater. III. Lowering of the water table. Select the correct answer using the codes given below.
(a) Only I
(b) II and III only
(c) I and III only
(d) I, II, and III
Option b – II and III only
Which of the following can be found as pollutants in the drinking water in some parts of India? I. Arsenic II. Sorbitol III. Fluoride IV. Formaldehyde V. Uranium Select the correct answer using the code given below.
(a) I and III
(b) II, IV, and V
(c) I, III, and V
(d) All of these
Option c – I, III, and V
Concerning bio-toilets used by Indian Railways, consider the following statements. I. The decomposition of human waste in their toilets is initiated of by fungal inodorum. II. Ammonia and water vapor are ony and products in this decomposition which are released into the atmosphere. Which of the statement given above is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option d – Neither I nor II
Which one of the following is responsible for blue baby syndrome?
(a) Fluoride
(b) Nitrate
(c) Arsenic
(d) Lead
Option b – Nitrate
The highest chemical pollution is caused by the industrial effluents of
(a) the leather industry
(b) the paper industry
(c) the rayon industry
(d) the textile industry
Option a – the leather industry
The ‘pond bloom’ of blue-green algae which causes the death of fish and cattle produces the toxin of
(a) Ammonia
(b) Hydroxyl Amine
(c) Carbohydrates
(d) Fatty Acids
Option b – Hydroxyl Amine
Water pollution of a river is measured by
(a) the amount of chlorine dissolved in water.
(b) amount of ozone dissolved in water.
(c) amount of nitrogen dissolves in water.
(d) amount of oxygen dissolved in water.
Option d – amount of oxygen dissolved in water
Biological Oxygen Demand (BOD) is a standard criterion for
(a) measuring oxygen levels in the blood.
(b) computing oxygen levels in forest ecosystems.
(c) pollution assessment in aquatic ecosystems.
(d) assessing oxygen levels in high-altitude regions.
Option c – pollution assessment in aquatic ecosystems
A water body having high BOD indicates that its water is
(a) receiving minerals.
(b) being aerated.
(c) being contaminated by sewage.
(d) atrophic.
Option c – being contaminated by sewage
BOD is maximum in the Ganga river between
(a) Haridwar and Kanpur
(b) Kanpur and Allahabad
(c) Allahabad and Patna
(d) Patna and Uluberia
Option b – Kanpur and Allahabad
The water (Prevention and Control of Pollution) Cess Act was implemented in
(a) 1973
(b) 1975
(c) 1977
(d) 1979
Option c – 1977
What is Noise?
(a) Desirable sound
(b) Desirable and unwanted sound
(c) Undesirable and unwanted sound
(d) Undesirable and wanted sound
Option c – Undesirable and unwanted sound
In which unit noise is measured?
(a) Kilometre
(b) Pascal
(c) Kilogram
(d) Decibel
Option d – Decibel
Which of the following is the reason behind the maximum noise pollution?
(a) Heavy traffic
(b) Election meetings
(c) Rock Music
(d) Jet Flight
Option d – Jet Flight
Rainwater collected after 30 to 40 minutes of rain is not suitable for drinking because it
(a) contains bacteria and dirt.
(b) contains dissolved toxic chemicals.
(c) is deficient in minerals.
(d) is acidic.
Option b – contains dissolved toxic chemicals
“Knock-Knee Syndrome” is caused by the pollution of ( Atmospheric Pollution Class 9 ICSE )
(a) Mercury
(b) Lead
(c) Arsenic
(d) Fluoride
Option d – Fluoride
The Minamata incident, an example of environmental degradation, is due to which one of the following?
(a) Air pollution
(b) Nuclear disaster
(c) Water pollution
(d) Thermal pollution
Option c – Water pollution
If National Water Mission is properly and completely implemented, how will it impact the country? I. Part of the water needs of urban areas will be met through the recycling of wastewater. II. The water requirements of coastal cities with inadequate alternative sources of water will be met by adopting appropriate technologies that allow for the use of Ocean water. III. All the rivers of Himalayan origin will be linked to the rivers of peninsular India. IV. The expenses incurred by farmers for digging bore wells and for installing motors and pump sets to draw groundwater will be completely reimbursed by the Government. Select the correct answer using the codes given below.
(a) I only
(b) I and II only
(c) III and IV only
(d) I, II, III, and IV
Option b – I and II only
What is the role of Ultraviolet (UV) radiation in water purification systems? I. It inactivates/kills the harmful microorganisms in water. II. It removes all the undesirable odors from the water. III. It quickens the sedimentation of solid particles, removes turbidity, and improves the clarity of the water. Which of the statements given above is/are correct?
(a) Only I
(b) II and III only
(c) I and III only
(d) I, II, and III
Option a – Only I
With reference to Eutrophication, which of the following statement(s) is/are correct? I. It decreases the dissolved oxygen in the water. II. It is a phenomenon of nutrient enrichment of a water body. Select the correct answer from the codes given below.
(a) Only I
(b) Only Il
(c) Both I and II
(d) Neither I nor Il
Option c – Both I and II
Which of the following are the effects of water pollution? I. E-coli infection II. Fluorosis III. Minamata disease IV. Blue Baby Syndrome Select the correct answer using the codes given below.
(a) I and III
(b) I, II, and Ill
(c) I and Il
(d) All of these
Option d – All of these
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